#include "hashtable.h"
+#ifdef HAVE_ICONV
+#include <iconv.h>
+#else
+#define HAVE_ICONV 0
+typedef int iconv_t; /* dummy */
+#endif
+
struct directive; /* Deliberately incomplete. */
struct pending_option;
struct op;
+struct _cpp_strbuf;
+
+typedef bool (*convert_f) (iconv_t, const unsigned char *, size_t,
+ struct _cpp_strbuf *);
+struct cset_converter
+{
+ convert_f func;
+ iconv_t cd;
+};
#ifndef HAVE_UCHAR
typedef unsigned char uchar;
#define CPP_OPTION(PFILE, OPTION) ((PFILE)->opts.OPTION)
#define CPP_BUFFER(PFILE) ((PFILE)->buffer)
-#define CPP_BUF_COLUMN(BUF, CUR) ((CUR) - (BUF)->line_base + (BUF)->col_adjust)
+#define CPP_BUF_COLUMN(BUF, CUR) ((CUR) - (BUF)->line_base)
#define CPP_BUF_COL(BUF) CPP_BUF_COLUMN(BUF, (BUF)->cur)
/* Maximum nesting of cpp_buffers. We use a static limit, partly for
} exp;
/* Definition line number. */
- unsigned int line;
+ fileline line;
/* Number of tokens in expansion, or bytes for traditional macros. */
unsigned int count;
unsigned char *base, *cur, *limit;
};
-extern _cpp_buff *_cpp_get_buff PARAMS ((cpp_reader *, size_t));
-extern void _cpp_release_buff PARAMS ((cpp_reader *, _cpp_buff *));
-extern void _cpp_extend_buff PARAMS ((cpp_reader *, _cpp_buff **, size_t));
-extern _cpp_buff *_cpp_append_extend_buff PARAMS ((cpp_reader *, _cpp_buff *,
- size_t));
-extern void _cpp_free_buff PARAMS ((_cpp_buff *));
-extern unsigned char *_cpp_aligned_alloc PARAMS ((cpp_reader *, size_t));
-extern unsigned char *_cpp_unaligned_alloc PARAMS ((cpp_reader *, size_t));
+extern _cpp_buff *_cpp_get_buff (cpp_reader *, size_t);
+extern void _cpp_release_buff (cpp_reader *, _cpp_buff *);
+extern void _cpp_extend_buff (cpp_reader *, _cpp_buff **, size_t);
+extern _cpp_buff *_cpp_append_extend_buff (cpp_reader *, _cpp_buff *, size_t);
+extern void _cpp_free_buff (_cpp_buff *);
+extern unsigned char *_cpp_aligned_alloc (cpp_reader *, size_t);
+extern unsigned char *_cpp_unaligned_alloc (cpp_reader *, size_t);
#define BUFF_ROOM(BUFF) (size_t) ((BUFF)->limit - (BUFF)->cur)
#define BUFF_FRONT(BUFF) ((BUFF)->cur)
all directives apart from #define. */
unsigned char save_comments;
- /* Nonzero if we're mid-comment. */
- unsigned char lexing_comment;
-
/* Nonzero if lexing __VA_ARGS__ is valid. */
unsigned char va_args_ok;
cpp_hashnode *n__VA_ARGS__; /* C99 vararg macros */
};
+typedef struct _cpp_line_note _cpp_line_note;
+struct _cpp_line_note
+{
+ /* Location in the clean line the note refers to. */
+ const uchar *pos;
+
+ /* Type of note. The 9 'from' trigraph characters represent those
+ trigraphs, '\\' an escaped newline, ' ' an escaped newline with
+ intervening space, and anything else is invalid. */
+ unsigned int type;
+};
+
/* Represents the contents of a file cpplib has read in. */
struct cpp_buffer
{
- const unsigned char *cur; /* current position */
- const unsigned char *backup_to; /* if peeked character is not wanted */
- const unsigned char *rlimit; /* end of valid data */
- const unsigned char *line_base; /* start of current line */
+ const uchar *cur; /* Current location. */
+ const uchar *line_base; /* Start of current physical line. */
+ const uchar *next_line; /* Start of to-be-cleaned logical line. */
+
+ const uchar *buf; /* Entire character buffer. */
+ const uchar *rlimit; /* Writable byte at end of file. */
+
+ _cpp_line_note *notes; /* Array of notes. */
+ unsigned int cur_note; /* Next note to process. */
+ unsigned int notes_used; /* Number of notes. */
+ unsigned int notes_cap; /* Size of allocated array. */
struct cpp_buffer *prev;
- const unsigned char *buf; /* Entire character buffer. */
-
- /* Pointer into the include table; non-NULL if this is a file
- buffer. Used for include_next and to record control macros. */
- struct include_file *inc;
+ /* Pointer into the file table; non-NULL if this is a file buffer.
+ Used for include_next and to record control macros. */
+ struct _cpp_file *file;
/* Value of if_stack at start of this file.
Used to prohibit unmatched #endif (etc) in an include file. */
struct if_stack *if_stack;
- /* Token column position adjustment owing to tabs in whitespace. */
- unsigned int col_adjust;
-
- /* Contains PREV_WHITE and/or AVOID_LPASTE. */
- unsigned char saved_flags;
-
- /* Because of the way the lexer works, -Wtrigraphs can sometimes
- warn twice for the same trigraph. This helps prevent that. */
- const unsigned char *last_Wtrigraphs;
+ /* True if we need to get the next clean line. */
+ bool need_line;
/* True if we have already warned about C++ comments in this file.
The warning happens only for C89 extended mode with -pedantic on,
include files has been calculated and stored in "dir" below. */
unsigned char search_cached;
- /* At EOF, a buffer is automatically popped. If RETURN_AT_EOF is
- true, a CPP_EOF token is then returned. Otherwise, the next
- token from the enclosing buffer is returned. */
- bool return_at_eof;
-
/* The directory of the this buffer's file. Its NAME member is not
allocated, so we don't need to worry about freeing it. */
- struct cpp_path dir;
+ struct cpp_dir dir;
/* Used for buffer overlays by cpptrad.c. */
const uchar *saved_cur, *saved_rlimit;
/* Source line tracking. */
struct line_maps line_maps;
const struct line_map *map;
- unsigned int line;
+ fileline line;
/* The line of the '#' of the current directive. */
- unsigned int directive_line;
+ fileline directive_line;
/* Memory buffers. */
_cpp_buff *a_buff; /* Aligned permanent storage. */
/* If in_directive, the directive if known. */
const struct directive *directive;
- /* The next -include-d file; NULL if they all are done. If it
- points to NULL, the last one is in progress, and
- _cpp_maybe_push_include_file has yet to restore the line map. */
- struct pending_option **next_include_file;
-
/* Search paths for include files. */
- struct cpp_path *quote_include; /* "" */
- struct cpp_path *bracket_include; /* <> */
+ struct cpp_dir *quote_include; /* "" */
+ struct cpp_dir *bracket_include; /* <> */
+ struct cpp_dir no_search_path; /* No path. */
+
+ /* Chain of all hashed _cpp_file instances. */
+ struct _cpp_file *all_files;
+
+ struct _cpp_file *main_file;
- /* Multiple include optimisation. */
+ /* File and directory hash table. */
+ struct htab *file_hash;
+ struct file_hash_entry *file_hash_entries;
+ unsigned int file_hash_entries_allocated, file_hash_entries_used;
+
+ /* Nonzero means don't look for #include "foo" the source-file
+ directory. */
+ bool quote_ignores_source_dir;
+
+ /* Nonzero if any file has contained #pragma once or #import has
+ been used. */
+ bool seen_once_only;
+
+ /* Multiple include optimization. */
const cpp_hashnode *mi_cmacro;
const cpp_hashnode *mi_ind_cmacro;
bool mi_valid;
unsigned char *macro_buffer;
unsigned int macro_buffer_len;
- /* Tree of other included files. See cppfiles.c. */
- struct splay_tree_s *all_include_files;
-
- /* Current maximum length of directory names in the search path
- for include files. (Altered as we get more of them.) */
- unsigned int max_include_len;
+ /* Descriptor for converting from the source character set to the
+ execution character set. */
+ struct cset_converter narrow_cset_desc;
- /* Macros on or after this line are warned about if unused. */
- unsigned int first_unused_line;
+ /* Descriptor for converting from the source character set to the
+ wide execution character set. */
+ struct cset_converter wide_cset_desc;
/* Date and time text. Calculated together if either is requested. */
const uchar *date;
list of recognized pragmas. */
struct pragma_entry *pragmas;
- /* Call backs. */
+ /* Call backs to cpplib client. */
struct cpp_callbacks cb;
/* Identifier hash table. */
preprocessor. */
struct spec_nodes spec_nodes;
- /* Nonzero means don't look for #include "foo" the source-file
- directory. */
- unsigned char quote_ignores_source_dir;
-
/* Whether cpplib owns the hashtable. */
- unsigned char our_hashtable;
+ bool our_hashtable;
/* Traditional preprocessing output buffer (a logical line). */
struct
uchar *base;
uchar *limit;
uchar *cur;
- unsigned int first_line;
+ fileline first_line;
} out;
/* Used to save the original line number during traditional
#define CPP_WTRADITIONAL(PF) CPP_OPTION (PF, warn_traditional)
/* In cpperror.c */
-extern int _cpp_begin_message PARAMS ((cpp_reader *, int,
- unsigned int, unsigned int));
+extern int _cpp_begin_message (cpp_reader *, int, fileline, unsigned int);
/* In cppmacro.c */
-extern void _cpp_free_definition PARAMS ((cpp_hashnode *));
-extern bool _cpp_create_definition PARAMS ((cpp_reader *, cpp_hashnode *));
-extern void _cpp_pop_context PARAMS ((cpp_reader *));
-extern void _cpp_push_text_context PARAMS ((cpp_reader *, cpp_hashnode *,
- const uchar *, size_t));
-extern bool _cpp_save_parameter PARAMS ((cpp_reader *, cpp_macro *,
- cpp_hashnode *));
-extern bool _cpp_arguments_ok PARAMS ((cpp_reader *, cpp_macro *,
- const cpp_hashnode *,
- unsigned int));
-extern const uchar *_cpp_builtin_macro_text PARAMS ((cpp_reader *,
- cpp_hashnode *));
-int _cpp_warn_if_unused_macro PARAMS ((cpp_reader *, cpp_hashnode *,
- void *));
+extern void _cpp_free_definition (cpp_hashnode *);
+extern bool _cpp_create_definition (cpp_reader *, cpp_hashnode *);
+extern void _cpp_pop_context (cpp_reader *);
+extern void _cpp_push_text_context (cpp_reader *, cpp_hashnode *,
+ const uchar *, size_t);
+extern bool _cpp_save_parameter (cpp_reader *, cpp_macro *, cpp_hashnode *);
+extern bool _cpp_arguments_ok (cpp_reader *, cpp_macro *, const cpp_hashnode *,
+ unsigned int);
+extern const uchar *_cpp_builtin_macro_text (cpp_reader *, cpp_hashnode *);
+int _cpp_warn_if_unused_macro (cpp_reader *, cpp_hashnode *, void *);
/* In cpphash.c */
-extern void _cpp_init_hashtable PARAMS ((cpp_reader *, hash_table *));
-extern void _cpp_destroy_hashtable PARAMS ((cpp_reader *));
+extern void _cpp_init_hashtable (cpp_reader *, hash_table *);
+extern void _cpp_destroy_hashtable (cpp_reader *);
/* In cppfiles.c */
-extern void _cpp_fake_include PARAMS ((cpp_reader *, const char *));
-extern void _cpp_never_reread PARAMS ((struct include_file *));
-extern bool _cpp_read_file PARAMS ((cpp_reader *, const char *));
-extern bool _cpp_execute_include PARAMS ((cpp_reader *,
- const cpp_token *,
- enum include_type));
-extern int _cpp_compare_file_date PARAMS ((cpp_reader *,
- const cpp_token *));
-extern void _cpp_report_missing_guards PARAMS ((cpp_reader *));
-extern void _cpp_init_includes PARAMS ((cpp_reader *));
-extern void _cpp_cleanup_includes PARAMS ((cpp_reader *));
-extern void _cpp_pop_file_buffer PARAMS ((cpp_reader *,
- struct include_file *));
+typedef struct _cpp_file _cpp_file;
+extern _cpp_file *_cpp_find_file (cpp_reader *, const char *fname,
+ cpp_dir *start_dir, bool fake);
+extern bool _cpp_find_failed (_cpp_file *);
+extern void _cpp_mark_file_once_only (cpp_reader *, struct _cpp_file *);
+extern void _cpp_fake_include (cpp_reader *, const char *);
+extern bool _cpp_stack_file (cpp_reader *, _cpp_file*, bool);
+extern bool _cpp_stack_include (cpp_reader *, const char *, int,
+ enum include_type);
+extern int _cpp_compare_file_date (cpp_reader *, const char *, int);
+extern void _cpp_report_missing_guards (cpp_reader *);
+extern void _cpp_init_files (cpp_reader *);
+extern void _cpp_cleanup_files (cpp_reader *);
+extern void _cpp_pop_file_buffer (cpp_reader *, struct _cpp_file *);
/* In cppexp.c */
-extern bool _cpp_parse_expr PARAMS ((cpp_reader *));
-extern struct op *_cpp_expand_op_stack PARAMS ((cpp_reader *));
+extern bool _cpp_parse_expr (cpp_reader *);
+extern struct op *_cpp_expand_op_stack (cpp_reader *);
/* In cpplex.c */
-extern cpp_token *_cpp_temp_token PARAMS ((cpp_reader *));
-extern const cpp_token *_cpp_lex_token PARAMS ((cpp_reader *));
-extern cpp_token *_cpp_lex_direct PARAMS ((cpp_reader *));
-extern int _cpp_equiv_tokens PARAMS ((const cpp_token *,
- const cpp_token *));
-extern void _cpp_init_tokenrun PARAMS ((tokenrun *, unsigned int));
-extern void _cpp_init_mbchar PARAMS ((void));
+extern void _cpp_process_line_notes (cpp_reader *, int);
+extern void _cpp_clean_line (cpp_reader *);
+extern bool _cpp_get_fresh_line (cpp_reader *);
+extern bool _cpp_skip_block_comment (cpp_reader *);
+extern cpp_token *_cpp_temp_token (cpp_reader *);
+extern const cpp_token *_cpp_lex_token (cpp_reader *);
+extern cpp_token *_cpp_lex_direct (cpp_reader *);
+extern int _cpp_equiv_tokens (const cpp_token *, const cpp_token *);
+extern void _cpp_init_tokenrun (tokenrun *, unsigned int);
/* In cppinit.c. */
-extern void _cpp_maybe_push_include_file PARAMS ((cpp_reader *));
+extern void _cpp_maybe_push_include_file (cpp_reader *);
/* In cpplib.c */
-extern int _cpp_test_assertion PARAMS ((cpp_reader *, unsigned int *));
-extern int _cpp_handle_directive PARAMS ((cpp_reader *, int));
-extern void _cpp_define_builtin PARAMS ((cpp_reader *, const char *));
-extern char ** _cpp_save_pragma_names PARAMS ((cpp_reader *));
-extern void _cpp_restore_pragma_names PARAMS ((cpp_reader *, char **));
-extern void _cpp_do__Pragma PARAMS ((cpp_reader *));
-extern void _cpp_init_directives PARAMS ((cpp_reader *));
-extern void _cpp_init_internal_pragmas PARAMS ((cpp_reader *));
-extern void _cpp_do_file_change PARAMS ((cpp_reader *, enum lc_reason,
- const char *,
- unsigned int, unsigned int));
-extern void _cpp_pop_buffer PARAMS ((cpp_reader *));
+extern int _cpp_test_assertion (cpp_reader *, unsigned int *);
+extern int _cpp_handle_directive (cpp_reader *, int);
+extern void _cpp_define_builtin (cpp_reader *, const char *);
+extern char ** _cpp_save_pragma_names (cpp_reader *);
+extern void _cpp_restore_pragma_names (cpp_reader *, char **);
+extern void _cpp_do__Pragma (cpp_reader *);
+extern void _cpp_init_directives (cpp_reader *);
+extern void _cpp_init_internal_pragmas (cpp_reader *);
+extern void _cpp_do_file_change (cpp_reader *, enum lc_reason, const char *,
+ unsigned int, unsigned int);
+extern void _cpp_pop_buffer (cpp_reader *);
/* In cpptrad.c. */
-extern bool _cpp_read_logical_line_trad PARAMS ((cpp_reader *));
-extern void _cpp_overlay_buffer PARAMS ((cpp_reader *pfile, const uchar *,
- size_t));
-extern void _cpp_remove_overlay PARAMS ((cpp_reader *));
-extern bool _cpp_create_trad_definition PARAMS ((cpp_reader *, cpp_macro *));
-extern bool _cpp_expansions_different_trad PARAMS ((const cpp_macro *,
- const cpp_macro *));
-extern uchar *_cpp_copy_replacement_text PARAMS ((const cpp_macro *, uchar *));
-extern size_t _cpp_replacement_text_len PARAMS ((const cpp_macro *));
+extern bool _cpp_scan_out_logical_line (cpp_reader *, cpp_macro *);
+extern bool _cpp_read_logical_line_trad (cpp_reader *);
+extern void _cpp_overlay_buffer (cpp_reader *pfile, const uchar *, size_t);
+extern void _cpp_remove_overlay (cpp_reader *);
+extern bool _cpp_create_trad_definition (cpp_reader *, cpp_macro *);
+extern bool _cpp_expansions_different_trad (const cpp_macro *,
+ const cpp_macro *);
+extern uchar *_cpp_copy_replacement_text (const cpp_macro *, uchar *);
+extern size_t _cpp_replacement_text_len (const cpp_macro *);
+
+/* In cppcharset.c. */
+extern cppchar_t _cpp_valid_ucn (cpp_reader *, const uchar **,
+ const uchar *, int);
+extern void _cpp_destroy_iconv (cpp_reader *);
+extern bool _cpp_interpret_string_notranslate (cpp_reader *, const cpp_string *,
+ cpp_string *);
/* Utility routines and macros. */
#define DSC(str) (const uchar *)str, sizeof str - 1
/* These are inline functions instead of macros so we can get type
checking. */
-static inline int ustrcmp PARAMS ((const uchar *, const uchar *));
-static inline int ustrncmp PARAMS ((const uchar *, const uchar *,
- size_t));
-static inline size_t ustrlen PARAMS ((const uchar *));
-static inline uchar *uxstrdup PARAMS ((const uchar *));
-static inline uchar *ustrchr PARAMS ((const uchar *, int));
-static inline int ufputs PARAMS ((const uchar *, FILE *));
+static inline int ustrcmp (const uchar *, const uchar *);
+static inline int ustrncmp (const uchar *, const uchar *, size_t);
+static inline size_t ustrlen (const uchar *);
+static inline uchar *uxstrdup (const uchar *);
+static inline uchar *ustrchr (const uchar *, int);
+static inline int ufputs (const uchar *, FILE *);
static inline int
-ustrcmp (s1, s2)
- const uchar *s1, *s2;
+ustrcmp (const uchar *s1, const uchar *s2)
{
return strcmp ((const char *)s1, (const char *)s2);
}
static inline int
-ustrncmp (s1, s2, n)
- const uchar *s1, *s2;
- size_t n;
+ustrncmp (const uchar *s1, const uchar *s2, size_t n)
{
return strncmp ((const char *)s1, (const char *)s2, n);
}
static inline size_t
-ustrlen (s1)
- const uchar *s1;
+ustrlen (const uchar *s1)
{
return strlen ((const char *)s1);
}
static inline uchar *
-uxstrdup (s1)
- const uchar *s1;
+uxstrdup (const uchar *s1)
{
return (uchar *) xstrdup ((const char *)s1);
}
static inline uchar *
-ustrchr (s1, c)
- const uchar *s1;
- int c;
+ustrchr (const uchar *s1, int c)
{
return (uchar *) strchr ((const char *)s1, c);
}
static inline int
-ufputs (s, f)
- const uchar *s;
- FILE *f;
+ufputs (const uchar *s, FILE *f)
{
return fputs ((const char *)s, f);
}
OSDN Git Service
